macros: add GLNX_HASH_TABLE_FOREACH_V

Looking at converting the ostree codebase, iterating over only the
values of a hash table (while ignoring the key) is actually a more
common pattern than I thought. So let's give it its own macro as well so
users don't have to resort to the _KV variant.

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/test-libglnx-macros.c b/tests/test-libglnx-macros.c
index 2a115fc..ffde8fa 100644
--- a/tests/test-libglnx-macros.c
+++ b/tests/test-libglnx-macros.c
@@ -90,6 +90,14 @@ test_hash_table_foreach (void)
       i++;
     }
   g_assert_cmpuint (i, ==, 2);
+
+  i = 0;
+  GLNX_HASH_TABLE_FOREACH_V (table, const char*, val)
+    {
+      g_assert_cmpstr (val, ==, vals[i]);
+      i++;
+    }
+  g_assert_cmpuint (i, ==, 2);
 }
 
 int main (int argc, char **argv)